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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
use Icinga\Application\Config;
class Zend_View_Helper_EventMessage extends Zend_View_Helper_Abstract
{
/**
* The RegExp for locating URLs.
*
* Modifications:
* - Don't allow ; in
*
* @source https://mathiasbynens.be/demo/url-regex
*/
const URL_REGEX = '@(https?)://(-\.)?([^\s/?\.#-]+\.?)+(/[^\s;]*)?@i';
/**
* Purifier instance
*
* @var HTMLPurifier
*/
protected static $purifier;
public function eventMessage($message)
{
$htm = $this->getPurifier()->purify($message);
// search for URLs and make them a link
$htm = preg_replace_callback(
static::URL_REGEX,
function ($match) {
return sprintf(
'<a href="%s" target="_blank">%s</a>',
htmlspecialchars($match[0]),
htmlspecialchars($match[0])
);
},
$htm
);
return $htm;
}
/**
* Get the purifier instance
*
* @return HTMLPurifier
*/
protected function getPurifier()
{
if (self::$purifier === null) {
require_once 'HTMLPurifier/Bootstrap.php';
require_once 'HTMLPurifier.php';
require_once 'HTMLPurifier.autoload.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.EscapeNonASCIICharacters', true);
$config->set('HTML.Allowed', Config::module('eventdb')->get(
'frontend',
'allowed_html',
'p,br,b,a[href|target],i,table,tr,td[colspan],div,*[class]'
));
$config->set('Attr.AllowedFrameTargets', array('_blank'));
$config->set('Cache.DefinitionImpl', null);
self::$purifier = new HTMLPurifier($config);
}
return self::$purifier;
}
}
|
